[INFO] fetching crate n_array 0.1.3...
[INFO] checking n_array-0.1.3 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate n_array 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate n_array 0.1.3 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n_array 0.1.3
[INFO] finished tweaking crates.io crate n_array 0.1.3
[INFO] tweaked toml for crates.io crate n_array 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cafd890d4a04fa0be7fe863213abb820723cbe9e086a5d7c50ce1ea51af0b9b
[INFO] running `Command { std: "docker" "start" "-a" "8cafd890d4a04fa0be7fe863213abb820723cbe9e086a5d7c50ce1ea51af0b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cafd890d4a04fa0be7fe863213abb820723cbe9e086a5d7c50ce1ea51af0b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cafd890d4a04fa0be7fe863213abb820723cbe9e086a5d7c50ce1ea51af0b9b", kill_on_drop: false }`
[INFO] [stdout] 8cafd890d4a04fa0be7fe863213abb820723cbe9e086a5d7c50ce1ea51af0b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa85417540d50b67522867e1fcc7e31306a98a690469ec20584f729871db9b8
[INFO] running `Command { std: "docker" "start" "-a" "2aa85417540d50b67522867e1fcc7e31306a98a690469ec20584f729871db9b8", kill_on_drop: false }`
[INFO] [stderr]     Checking n_array v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:34:27
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let max_size = mag.clone().into_iter().fold(1, |acc, &item| acc*item);
[INFO] [stdout]    |                           ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[usize]` does not implement `Clone`, so calling `clone` on `&[usize]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n_array` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:34:27
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let max_size = mag.clone().into_iter().fold(1, |acc, &item| acc*item);
[INFO] [stdout]    |                           ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[usize]` does not implement `Clone`, so calling `clone` on `&[usize]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n_array` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2aa85417540d50b67522867e1fcc7e31306a98a690469ec20584f729871db9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa85417540d50b67522867e1fcc7e31306a98a690469ec20584f729871db9b8", kill_on_drop: false }`
[INFO] [stdout] 2aa85417540d50b67522867e1fcc7e31306a98a690469ec20584f729871db9b8